Countable Nouns Starting with OS and Containing CO

Browse 9 valid English countable nouns starting with OS and containing CO, from Oscilloscope, Osteosarcoma, Ossobuco, Ostracod, Ostracon, Ostracoderm and Ostracodan to rarer terms. Check definitions and spelling below, or visit our noun grammar guide to review singular and plural count rules.

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Starts with OSC
1 words
oscilloscope
Starts with OSS
2 words
ossobuco
ossicone
Starts with OST6 words
osteosarcoma
ostracod
ostracon
ostracoderm
ostracodan
osteochondrosarcoma

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